Houston vs Miami
Side-by-side FOG compliance comparison between Houston, TX and Miami, FL.
| Requirement | Houston, TX | Miami, FL |
|---|---|---|
| Plumbing Code | IPC (Texas adopts IPC statewide; Houston amends locally) | IPC (Florida Building Code, which is based on the International codes) |
| Min. Trap Size | Minimum 750 gallons for gravity grease interceptors for food service establishments; sizing based on fixture count and flow rate per Houston Plumbing Code; hydromechanical interceptors minimum 20 GPM | Gravity grease interceptors: minimum 750-1,000 gallons depending on establishment size and fixture count. Hydromechanical grease interceptors (HGIs/under-sink): rated per GPM of connected fixtures per Florida Building Code. Sizing determined per FOG Control Device Guidance Manual formulas. |
| Pumping Frequency | Every 90 days minimum or when 25% full | As specified in FOG permit conditions; typically every 30-90 days depending on establishment volume. Must be pumped before grease and solids accumulate to 25% of the wetted depth of the interceptor. |
| 25% Rule | Yes | Yes |
| Permit Required | Required | Required |
| Permit Fee | Grease trap permit/registration required; fees approximately $100-$250 depending on establishment size | Initial FOG-1 permit application fee approximately $200; annual renewal fee approximately $65. Fees subject to update per Miami-Dade fee schedule. |
| Max Fine | $2,000 per violation per day under Houston Code of Ordinances Chapter 47; repeat violations up to $4,000/day | Up to $15,000 per day per violation under Miami-Dade County Code. Civil penalties and administrative enforcement actions including cease-and-desist orders. |
| Inspections | Houston Health Department and Public Works conduct inspections; typically annually or upon complaint | Inspections conducted by Miami-Dade Water and Sewer Department (WASD) on a routine basis; typically annually for compliant FSEs, more frequently for high-risk or non-compliant establishments. Unannounced inspections authorized. |
| Record Keeping | Yes | Yes |
| Authority | Houston Public Works and Engineering Department; Houston Health Department (grease transporter licensing) | Miami-Dade County Water and Sewer Department (WASD), Environmental Compliance Section; Miami-Dade Permitting and Inspection Center |
| Establishments | 10,038 | 6,089 |
Key Differences
As cities in different states, Houston (TX) and Miami (FL) operate under distinct regulatory frameworks. Here are the most important differences restaurant operators should know:
- Houston follows the Uniform Plumbing Code (UPC), while Miami uses the Uniform Plumbing Code (UPC). This affects trap sizing calculations and installation standards.
- Pumping schedules differ: Houston requires "Every 90 days minimum or when 25% full", whereas Miami requires "As specified in FOG permit conditions".
- Both cities enforce the 25% rule, requiring grease traps to be pumped when grease and solids reach 25% of the trap's capacity.
- Fines differ: Houston penalties can reach $2,000 per violation per day under Houston Code of Ordinances Chapter 47; repeat violations up to $4,000/day, compared to Up to $15,000 per day per violation under Miami-Dade County Code. Civil penalties and administrative enforcement actions including cease-and-desist orders. in Miami.
What This Means for Restaurant Operators
If you operate food service establishments in either city, understanding these regulatory differences is critical for compliance. Permit requirements vary, so check with each city's wastewater authority before opening a new location. Different plumbing codes (IPC (Texas adopts IPC statewide; Houston amends locally) vs IPC (Florida Building Code, which is based on the International codes)) mean trap sizing calculations may produce different results for the same kitchen setup. Always verify current requirements directly with your local wastewater authority or plumbing inspector.
Frequently Asked Questions
How do grease trap requirements compare between Houston and Miami?
Houston follows the Uniform Plumbing Code (UPC), while Miami uses the Uniform Plumbing Code (UPC). This affects trap sizing calculations and installation standards. Pumping schedules differ: Houston requires "Every 90 days minimum or when 25% full", whereas Miami requires "As specified in FOG permit conditions".
Which city has stricter grease trap enforcement, Houston or Miami?
Enforcement varies: both cities have similar permit requirements. Houston fines: $2,000 per violation per day under Houston Code of Ordinances Chapter 47; repeat violations up to $4,000/day. Miami fines: Up to $15,000 per day per violation under Miami-Dade County Code. Civil penalties and administrative enforcement actions including cease-and-desist orders.. Always verify with local authorities.
How do pumping schedules differ between Houston and Miami?
Houston: Every 90 days minimum or when 25% full. Miami: As specified in FOG permit conditions; typically every 30-90 days depending on establishment volume. Must be pumped befo.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
Operating in Both Cities?
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